All KEV additions

CISA KEV digest

CISA KEV 29 Jul 2026: 1 exploited flaw in Cisco

1 vulnerability1 with known ransomware use
Conceptual illustration: An enterprise router and firewall appliance, shielded network ports and a precise glowing patch plate. Headline: NETWORK SECURITY.

AI-generated illustration by CyberShitty. Not a photograph or a document from the organisations named.

On 29 July 2026, CISA added 1 actively exploited vulnerability affecting Cisco to its Known Exploited Vulnerabilities catalog. If you run any of these products, patch or mitigate now — exploitation is already happening.

CVE-2026-20316Known ransomware useFederal deadline

In this section

Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability

Cisco / Secure Firewall Management Center (FMC) / CWE-259

Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of hard-coded password vulnerability that could allow an unauthenticated, remote attacker to log in to an affected device using a low-privileged account to access sensitive data within the impacted systems.

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.